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Résistance à l'impact balistique de matériaux composites à renforts Interlocks tissés : Application au blindage de véhicules

Abstract : This study is a part of an innovative exploratory research with the financial support of the DGA. The aim is to study the impact behaviour of Interlock composite materials. The final objective is to integrate a composite material based on Interlock weaving structure into vehicle armor system that will be placed as backing of a metal panel used to fragment the FSP projectile during the impact. The composite materials should absorb the impact energy during impact and stop the metal fragments after penetration of the metal panel by the projectile. The fabrication of these materials leads to create woven Interlock structures on a weaving loom and the implementation of the fabrics by infusion process. The materials are then impacted. A criterion of comparison was used, taking into account the speed limit perforation of the material and the area density of each impacted structures in order to compare the ballistic performance at the same weight. For this study we have made the choice to produce three Interlocks weaving structures with the same weaving parameters. We also choose to use two types of fibres, Kevlar® and Vectran® for each structure. The change of the weaving process and the infusion of materials allowed us to bring out two Interlocks structures composed of Vectran® fibres with the impact criterion equivalent to the structures currently used in the field of vehicle armor.
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  • HAL Id : tel-03416137, version 1

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Marie Lefebvre. Résistance à l'impact balistique de matériaux composites à renforts Interlocks tissés : Application au blindage de véhicules. Mécanique [physics.med-ph]. Université de Valenciennes et du Hainaut-Cambrésis, 2011. Français. ⟨NNT : 2011VALE0030⟩. ⟨tel-03416137⟩

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